R/€ = 19.74 Change: 0.17
R/$ = 16.91 Change: 0.16
Au 1873.63 $/oz Change: -4.46
Pt 846.89 $/oz Change: -12.49

Ventilation and Cooling

Changes under way at society

By: System Author     27th October 2000 Ventilation 

15 surface fans for mines in Southern Africa

By: System Author     27th October 2000 Ventilation 

SA cooling systems are hot

By: System Author     9th July 1999 What is the state of the local market for mine-ventilation services? There is considerable market potential for practitioners and consultants who are suitably experienced in mine ventilation and occupational hygiene. There are hundreds of small mining operations needing assistance with... 

Red light for deep-mining costs

By: System Author     9th July 1999 big issue facing Project Deepmine is increased virgin-rock tem- peratures of between 64?C and 82?C, and the concomitant higher heat loads at ultra-depths, as well as the effects of auto-compression of ventilation air sent underground, CSIR Miningtek environmental health and safety programme... 

Answer to ventilation walls

By: System Author     9th July 1999 A locally-devel- oped and manu- factured shut- ter cloth is a cost-effective alternative to the traditional labour-intensive and time-consuming method of building ventilation walls and fire barriers, reports Industrial Netting & Mining Products director Glenn Reabow. Pozzi-seal cloth comprises... 

New high-temp motors

By: System Author     9th July 1999 Electromechanical engineering specialist Leroy-Somer, of Garden View, Gauteng, has launched a new range of ventilation motors for use in high-temperature applications. With a Class ‘F’ insulation, the range has been designed to withstand operation at elevated temperatures of 300?C. A... 

Firm fans up business

By: System Author     9th July 1999 The launching of a new fan product, an order for a combustion fan to be exported to Europe, as well as the prospect of exporting to Central America are some of the opportunities which have presented themselves to ABB Rotek Fans this year, reveals MD David Kirkman. The company – which... 

‘Key’ issue

By: System Author     9th July 1999 Ventilation is a key issue when selecting electrical equipment for use in hazardous environments where explosion risk is high, says Legrand GM Pierre-Yves Etienne. As electrical equipment is a potential source of ignition, it is critical to install the correct products. Equipment must not present... 

German fan expertise

By: System Author     9th July 1999 A specialist supplier of mine ventilation systems, including auxiliary fans, booster fans, main fans and dust-extraction units, Voith Howden, of Germany, is an integral part of the Howden group, the leading international supplier of air- and gas-handling equipment. From initial quotation to final... 

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